Elimination of CW is a loss in the number of ways we can communicatewith other.
"Cecil Moore" wrote in message
om...
gravity wrote:
and I can send sos with spark gap off a batery without knowing anymore
than that
your engineering skill is formidable.
I don't know much about spark. Was the length of the spark
controllable such that dots and dashes could be differentiated?
click short pause clack = dit
click long pause clack = dah
i think it would be hard to decode vs listening to a modern receiver.
i believe spark gap would be useless in a rescue situation.
Gravity
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